Individual Calculations September 2011
 Bowersock, Michael  Total change: -46.50  Rating chartPersonal card
 39th Annual World Open - U2400 Section Philadelphia, Pennsylvania USA 2011-06-28
RcRownchangeKK*chgGame
 2076 2061 2.00 7 -1.33 30 -39.90 
  Reverby, Miro 2143 USA0.001-0.3930-11.70 
  Alvarez, Ernesto 2225 USA0.001-0.2830-8.40 
  Murthy, Pappu L N 2112 USA0.5010.07302.10 
  Meredith, Matthew 2030 USA0.001-0.5430-16.20 
  Chiang, Jonathan 1793 USA0.501-0.3330-9.90 
  Collier, Philip M 2002 USA0.501-0.0830-2.40 
  Aravena Sloan Sr, 2230 USA0.5010.22306.60 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 
NOTE: K factor changed
 112th Annual US Open Orlando, Florida USA 2011-07-30
RcRownchangeKK*chgGame
 2212 2064 2.00 5 0.33 15 4.95 
  Van Wely, Loek g2464  * NED0.001-0.0815-1.20 
  Thompson, Buddy 1877 USA1.0010.26153.90 
  Gu, Christopher 2222 USA1.0010.711510.65 
  Sarkar, Justin m2376 USA0.001-0.1415-2.10 
  Brown, Michael W 2121 USA0.001-0.4215-6.30 
 * Rating difference of more than 400. Please read more at FIDE Handbook

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 
NOTE: K factor changed
 2011 Denker Tournament of High School Champions Orlando, Florida USA 2011-07-30
RcRownchangeKK*chgGame
 2003 2064 1.50 4 -0.77 15 -11.55 
  Ding, Jialin 2178 USA0.001-0.3415-5.10 
  Ma, Kevin 1759 USA1.0010.14152.10 
  Moon, Ryan Joseph 2185 USA0.001-0.3415-5.10 
  Melcher, Matthias 1888 GER0.501-0.2315-3.45 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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